Changelog for gtksourceview4-4.2.0-1.fc30.x86_64.rpm :

* Sat Mar 16 2019 Kalev Lember - 4.2.0-1- Update to 4.2.0
* Fri Feb 01 2019 Fedora Release Engineering - 4.0.3-3- Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild
* Fri Sep 07 2018 Kalev Lember - 4.0.3-2- Rebuilt against fixed atk (#1626575)
* Fri Sep 07 2018 Pete Walter - 4.0.3-1- Initial packaging of GtkSourceView 4